<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Flex box</title>
	<link rel="stylesheet" type="text/css" href="css/style.css">
</head>
<body>
	<div class="flex-container">
	  <div class="flex-item"></div>
	  <div class="flex-item"></div>
	  <div class="flex-item"></div>
	  <div class="flex-item"></div>
	</div>
</body>
</html>